<template>
  <div class="goodslist">
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片面板 -->
    <el-card class="box-card">
      <!-- 搜索框和添加商品按钮 -->
      <el-row :gutter="20">
        <el-col :span="8"
          ><el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            @keyup.enter.native="getGoodsList"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button> </el-input
        ></el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">
            添加商品
          </el-button>
        </el-col>
      </el-row>

      <!-- 表格渲染 -->
      <el-table
        :data="goodsList"
        style="width: 100%;margin:20px 0;"
        border
        stripe
        :header-cell-style="{
          background: '#F5F5F5',
          color: '#000',
          fontSize: '14px',
          fontWeight: '600'
        }"
      >
        <!-- 索引列type = 'index' -->
        <el-table-column type="index" width="50"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"> </el-table-column>
        <el-table-column prop="goods_price" label="商品价格（元）" width="120">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="100">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="180">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="200">
          <template slot-scope="scope">
            <!-- {{ scope.row.mg_state }} -->

            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="goEditPage(scope.row.goods_id)"
              >编辑</el-button
            >

            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页条 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'goodslist',
  components: {},
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1, // 页码
        pagesize: 10 // 页的大小
      },
      total: 0,
      goodsList: []
    }
  },
  created() {
    this.getGoodsList()
  },
  mounted() {},
  methods: {
    async getGoodsList() {
      // 根据分页获取商品列表
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      //   console.log(res.data)
      //   this.$message.success('获取商品列表成功！')
      this.total = res.data.total
      this.goodsList = res.data.goods
    },
    // 处理分页大小改变，重新请求
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 处理当前页码改变，重新请求
    handleCurrentChange(newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },
    // 根据id删除对应商品
    async removeById(id) {
      // 弹框询问用户是否确认删除
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)

      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.$message.success('删除成功！')
      this.getGoodsList()
    },
    // 去往添加商品页面
    goAddPage() {
      console.log('dd')
      this.$router.push('/goods/add')
    },
    // 去往编辑商品页面
    goEditPage(id) {
      console.log(id)
    }
  }
}
</script>
<style scoped>
/* @import url(); 引入公共css类 */
</style>
